CN105838317A - High-performance single-component dealcoholization room temperature vulcanized silicone rubber sealant and preparation method thereof - Google Patents
High-performance single-component dealcoholization room temperature vulcanized silicone rubber sealant and preparation method thereof Download PDFInfo
- Publication number
- CN105838317A CN105838317A CN201610290797.2A CN201610290797A CN105838317A CN 105838317 A CN105838317 A CN 105838317A CN 201610290797 A CN201610290797 A CN 201610290797A CN 105838317 A CN105838317 A CN 105838317A
- Authority
- CN
- China
- Prior art keywords
- room temperature
- silicone rubber
- vulcanized silicone
- temperature vulcanized
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
- C09J183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention relates to the technical field of sealing materials, in particular to a preparation method of a high-performance single-component dealcoholization room temperature vulcanized silicone rubber sealant .The sealant is prepared from, by weight, 150-200 parts of alpha, omega-dyhydroxyl polydimethylsiloxane, 5-40 parts of a crosslinking agent, 80-300 parts of functional filler, 2-10 parts of a catalyst and 0-20 parts of a plasticizer .The functional filler is composite particles prepared by adopting nano calcium carbonate as the nucleus and adopting polydivinylbenzene as a shell through a dispersion polymerization method, wherein the particle size is 50-90 nm; the functional filler shell is polydivinylbenzene, has the good hydrophobicity and can be wound around chain segments of a matrix or embedded in the matrix in an anchored mode, the composite particles on a micelle interface has the fiber-bridge effect on the matrix, and the effect of increasing the capacity of the single-component dealcoholization room temperature vulcanized silicone rubber sealant is achieved .The rubber sealant is good in adhesiveness, and the surface drying time is shorter than 10 min; due to the fact that the price of the filler is low, the comprehensive material cost can be lowered .
Description
Technical field
The present invention relates to encapsulant technical field, be specifically related to a kind of high-performance single-component de-alcoholized room temperature vulcanized silicon rubber
The preparation method of glue fluid sealant.
Background technology
Single-component room-temperature vulcanized silicone rubber is the single-component organic silicon bonding agent of a kind of moisture-curable, is with terminal hydroxy group poly-two
Polymer based on methylsiloxane, trifunctional silane is crosslinking agent, is aided with the compositions such as filler, plasticizer and catalyst
Mixture.Due to silicon rubber due to its excellent ageing-resistant performance, high-insulativity, resistance to gentle resistance to medium space flight, building,
The adhering and sealing aspect in the field such as automobile, electronic apparatus has quite varied application.Dealcoholized type room temperature vulcanized silicone rubber is single group
The one of part room temperature vulcanized silicone rubber, owing to it is corrosion-free, low smell, solidifies rapid feature, compared to other kinds of
Room temperature silica gel has better development prospect.But, due to the hot strength of such silicon rubber, modulus, wear-resisting and anti-
The performances such as failure by shear, far from the needs adapted under conditions of use, therefore, significantly limit its use industrially
It is worth.
In the patent application of CN200910069215.8 application number, describe a kind of high-temperature resistant and expediting setting dealcoholized type
Room temperature vulcanized silicone rubber adhesive, strengthens its performance using fumed titanium dioxide as auxiliary agent, yet with the table of silica
Face also exists substantial amounts of hydroxyl, makes it bad with the wellability of polysiloxanes, and the hydroxyl the most too much when high temperature can affect material
The resistance to elevated temperatures of material.In the patent application of CN201410664829.1 application number, describe a kind of environment-friendly type LED
Light fixture joint sealant, or mixing single using calcium carbonate and titanium dioxide strengthens its performance as reinforcing agent, yet with carbonic acid
Calcium is as silica, and its surface hydrophilicity is difficult to compatible with raw material.
In sum, the preparation single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant that compatibility is strong and intensity is big is for silicon
The actual application of rubber is significant.
Summary of the invention
A kind of single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant of offer and preparation side thereof are provided
Method, single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant prepared by the method has that compatibility is good, intensity is big, caking property good
And the feature of wet and heat ageing resistant
For reaching object above, the technical solution used in the present invention is:
A kind of high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant, it is characterised in that: described fluid sealant be by
The raw material of following weight portion is prepared from: α, alpha, omega-dihydroxy polydimethyl siloxane 150-200 part, crosslinking agent 5-40
Part, functional stuffing 80-300 part, catalyst 2-10 part and plasticizer 0-20 part；Described functional stuffing is by dispersin polymerization
Method prepare with nano-calcium carbonate as core, polydivinylbenezene is the compound particle of shell, and its particle diameter is 50-90nm；
The preparation method of described functional material is as follows:
(1) polyvinylpyrrolidone, stirring point are added after nano-calcium carbonate and deionized water are hybridly prepared into water slurry
Dissipate, the pH of finely dispersed suspension is adjusted to 6.5-7.0；
(2) initiator is added after stablizing 8-12min after suspension agitating heating being warming up to 78-82 DEG C；
(3) in the suspension of step (2) gained, drip divinylbenzene, after reaction 12-24h, stop reaction；
(4) step (3) gained reactant liquor cooled down, filter, be dried, pulverize and obtain functional stuffing, standby；
Reaction in above-mentioned steps (1) to (4) is carried out under such as N2, He or Ar inert atmosphere.
Further, the preparation method of described functional stuffing is as follows:
(1) poly-second is added after nano-calcium carbonate, deionized water being hybridly prepared into the water slurry that mass fraction is 6-10%
Alkene pyrrolidone dispersant, dispersed with stirring 40-80min under the conditions of 1500-2000r/min, by finely dispersed suspension
PH be adjusted to 6.5-7.0, wherein, polyvinylpyrrolidone addition accounts for divinylbenzene gross mass 0.5-1%；
(2) add after suspension being stablized 8-12min after agitating heating is warming up to 78-82 DEG C under the conditions of 450-750r/min
Enter initiator；
(3) in the suspension of step (2) gained, keep 78-82 DEG C of dropping divinylbenzene, stop after reaction 12-24h
Reaction；
(4) step (3) gained reactant liquor is cooled to room temperature final vacuum suction filtration, filter cake is placed in drying box in 70-90 DEG C
Under the conditions of be dried 18-30h, by dried filter cake pulverize obtain functional stuffing, standby；
Reaction in above-mentioned steps (1) to (4) is at N2Carry out under atmosphere.
Further, the initiator in described step (2) is potassium peroxydisulfate.
Further, the 0.8-1.0% of the quality that consumption is divinylbenzene of the initiator in described step (2).
Further, in described step (3), the rate of addition of divinylbenzene is 1ml/min.
Further, described α, alpha, omega-dihydroxy polydimethyl siloxane be dynamic viscosity be the α of 5000-50000cps, ω-
In dialkyl polydimethylsiloxane a kind or the combination of at least 2 kinds.
Further, described crosslinking agent is tetramethoxy-silicane, tetraethoxysilane, tetrapropoxysilane and methyl trimethoxy oxygen
In base silane a kind or the combination of at least 2 kinds.
Further, described catalyst is tetrabutyl titanate and/or tetraisopropyl titanate.
Further, a kind during described plasticizer is polydimethyl siloxane fluid, MDT silicone oil and white oil or the group of at least 2 kinds
Close.
A kind of method preparing high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant, described method is as follows: will be certain
The α of amount, alpha, omega-dihydroxy polydimethyl siloxane mixes in vacuum kneader with a certain amount of functional stuffing and plasticizer, and
It is maintained at 120-130 DEG C, under conditions of vacuum is-0.1Mpa, except lowering the temperature after water 2-3h；After intermediate drops to room temperature,
Add crosslinking agent, catalyst mixing under vacuum conditions；Mix rear discharging airtight preservation.
Detailed description of the invention
Hereinafter describe and be used for disclosing the present invention so that those skilled in the art are capable of the present invention.Below describe in excellent
Select embodiment to be only used as citing, it may occur to persons skilled in the art that other obvious modification.
Embodiment 1
The high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant of the present embodiment, is by the raw material of following weight portion
Be prepared from: the α of dynamic viscosity 5000cps, alpha, omega-dihydroxy polydimethyl siloxane 200 parts, crosslinking agent 15 parts,
Functional stuffing 200 parts, catalyst 4 parts and 20 parts of plasticizer；
Wherein, the preparation method of described functional stuffing be for:
(1) add after nano-calcium carbonate and deionized water being hybridly prepared into the water slurry that mass fraction is 6% and account for two
The polyvinylpyrrolidone of vinyl benzene quality 0.5%, dispersed with stirring 80min under the conditions of 1500r/min, will be uniformly dispersed
The pH of suspension be adjusted to 6.5；
(2) add after stablizing 12min after suspension agitating heating under the conditions of 450r/min being warming up to 78 DEG C and account for two
The ammonium persulfate of vinyl benzene quality 0.8%；
(3) with peristaltic pump dropping divinylbenzene reaction 24h in the suspension of step (2) gained, reaction is stopped；
(4) step (3) gained reactant liquor is cooled to room temperature final vacuum suction filtration, filter cake is placed in drying box in 70 DEG C
Under the conditions of be dried 30h, by dried filter cake pulverize obtain functional stuffing, standby；
Reaction in above-mentioned steps (1) to (4) is carried out under He atmosphere.
The preparation method of described high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant, is by α, alpha, omega-dihydroxy
Dimethyl silicone polymer mixes in vacuum kneader with functional stuffing and plasticizer, and is maintained at 120 DEG C that (vacuum is
-0.1Mpa) except lowering the temperature after water 2h.After intermediate drops to room temperature, (vacuum-0.1Mpa) adds under vacuum conditions
Crosslinking agent, catalyst mix.Mix rear discharging airtight preservation.Its main performance index is shown in Table 1.
Embodiment 2
The high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant of the present embodiment, is by the raw material of following weight portion
Be prepared from: the α of dynamic viscosity 20000cps, alpha, omega-dihydroxy polydimethyl siloxane 150 parts, crosslinking agent 5 parts,
Functional stuffing 150 parts, catalyst 2 parts and 0 part of plasticizer；
Wherein, the preparation method of described functional stuffing be for:
(1) add after nano-calcium carbonate and deionized water being hybridly prepared into the water slurry that mass fraction is 6% and account for two
The polyvinylpyrrolidone of vinyl benzene quality 1%, dispersed with stirring 60min under the conditions of 1800r/min, will be uniformly dispersed
The pH of suspension be adjusted to 7.0；
(2) add after stablizing 10min after suspension agitating heating under the conditions of 600r/min being warming up to 80 DEG C and account for two
The ammonium persulfate of vinyl benzene quality 1.0%；
(3) with peristaltic pump dropping divinylbenzene reaction 24h in the suspension of step (2) gained, reaction is stopped；
(4) step (3) gained reactant liquor is cooled to room temperature final vacuum suction filtration, filter cake is placed in drying box in 80 DEG C
Under the conditions of be dried 24h, by dried filter cake pulverize obtain functional stuffing, standby；
Reaction in above-mentioned steps (1) to (4) is carried out under an ar atmosphere.
The preparation method of described high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant, is by α, alpha, omega-dihydroxy
Dimethyl silicone polymer mixes in vacuum kneader with functional stuffing and plasticizer, and is maintained at 120 DEG C that (vacuum is
-0.1Mpa) except lowering the temperature after water 3h.After intermediate drops to room temperature, (vacuum-0.1Mpa) adds under vacuum conditions
Crosslinking agent, catalyst mix.Mix rear discharging airtight preservation.Its main performance index is shown in Table 1.
Embodiment 3
The high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant of the present embodiment, is by the raw material of following weight portion
It is prepared from: the α of dynamic viscosity 50000cps, alpha, omega-dihydroxy polydimethyl siloxane 180 parts, crosslinking agent 40, merit
Energy filler 180 parts, catalyst 10 parts and 0 part of plasticizer；
Wherein, the preparation method of described functional stuffing be for:
(1) add after nano-calcium carbonate and deionized water being hybridly prepared into the water slurry that mass fraction is 10% and account for
The polyvinylpyrrolidone of divinylbenzene quality 1%, dispersed with stirring 40min under the conditions of 2000r/min, by equal for dispersion
The pH of even suspension is adjusted to 6.5；
(2) add after stablizing 8min after suspension agitating heating under the conditions of 750r/min being warming up to 82 DEG C and account for two
The ammonium persulfate of vinyl benzene quality 0.8%；
(3) with peristaltic pump dropping divinylbenzene reaction 12h in the suspension of step (2) gained, reaction is stopped；
(4) step (3) gained reactant liquor is cooled to room temperature final vacuum suction filtration, filter cake is placed in drying box in 90 DEG C
Under the conditions of be dried 18h, by dried filter cake pulverize obtain functional stuffing, standby；
Reaction in above-mentioned steps (1) to (4) is at N2Carry out under atmosphere.
The preparation method of described high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant, is by α, alpha, omega-dihydroxy
Dimethyl silicone polymer mixes in vacuum kneader with functional stuffing and plasticizer, and be maintained at 130 DEG C (under (vacuum is
-0.1Mpa) except lowering the temperature after water 3h.After intermediate drops to room temperature, (vacuum-0.1Mpa) adds under vacuum conditions
Crosslinking agent, catalyst mix.Mix rear discharging airtight preservation.Its main performance index is shown in Table 1.
Embodiment 4
The high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant of the present embodiment, is by the raw material of following weight portion
Be prepared from: the α of dynamic viscosity 20000cps, alpha, omega-dihydroxy polydimethyl siloxane 150 parts, crosslinking agent 10 parts,
Functional stuffing 80 parts, catalyst 2 parts and 2 parts of plasticizer；
Wherein, the preparation method of described functional stuffing and high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant is same
Embodiment 2, its main performance index is shown in Table 1.
Embodiment 5
The high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant of the present embodiment, is by the raw material of following weight portion
Be prepared from: the α of dynamic viscosity 20000cps, alpha, omega-dihydroxy polydimethyl siloxane 150 parts, crosslinking agent 10 parts,
Functional stuffing 300 parts, catalyst 2 parts and 2 parts of plasticizer；
Wherein, the preparation method of described functional stuffing and high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant is same
Embodiment 2, its main performance index is shown in Table 1.
Embodiment 6
The high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant of the present embodiment, is by the raw material of following weight portion
Be prepared from: the α of dynamic viscosity 20000cps, alpha, omega-dihydroxy polydimethyl siloxane 150 parts, crosslinking agent 10 parts,
Functional stuffing 60 parts, catalyst 2 parts and 2 parts of plasticizer；
Wherein, the preparation method of described functional stuffing and high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant is same
Embodiment 2, its main performance index is shown in Table 1.
Embodiment 7
The high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant of the present embodiment, is by the raw material of following weight portion
Be prepared from: the α of dynamic viscosity 20000cps, alpha, omega-dihydroxy polydimethyl siloxane 150 parts, crosslinking agent 10 parts,
Functional stuffing 120 parts, catalyst 2 parts and 2 parts of plasticizer；
Wherein, the preparation method of described functional stuffing and high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant is same
Embodiment 2, its main performance index is shown in Table 1.
The hot strength of embodiment 1-7 gained single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant is pressed GB528-82
Test, draw speed is 50mm/min；Surface drying time by GB/T 13477.5-2002 test fluid sealant；Ageing properties
Test, it is 85 DEG C that fluid sealant is put into a temperature, humidity be 85% environment in mechanics before and after test is placed after 1000h
The situation of change result of performance, as shown in table 1.
The main performance index of table 1 embodiment 1-7 gained single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant
The general principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry
The personnel simply present invention it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and specification
Principle, the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, these change and
Improvement both falls within the range of claimed invention.The protection domain of application claims by appending claims and
Equivalent defines.
Claims (10)
1. a high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant, it is characterised in that: described fluid sealant be by
The raw material of following weight portion is prepared from: α, alpha, omega-dihydroxy polydimethyl siloxane 150-200 part, crosslinking agent 5-40
Part, functional stuffing 80-300 part, catalyst 2-10 part and plasticizer 0-20 part；Described functional stuffing is by dispersin polymerization
Method prepare with nano-calcium carbonate as core, polydivinylbenezene is the compound particle of shell, and its particle diameter is 50-90nm；
The preparation method of described functional material is as follows:
(1) polyvinylpyrrolidone, stirring point are added after nano-calcium carbonate and deionized water are hybridly prepared into water slurry
Dissipate, the pH of finely dispersed suspension is adjusted to 6.5-7.0；
(2) initiator is added after stablizing 8-12min after suspension agitating heating being warming up to 78-82 DEG C；
(3) in the suspension of step (2) gained, drip divinylbenzene, after reaction 12-24h, stop reaction；
(4) step (3) gained reactant liquor cooled down, filter, be dried, pulverize and obtain functional stuffing, standby；
Reaction in above-mentioned steps (1) to (4) is such as N2, carry out under He or Ar inert atmosphere.
A kind of high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant the most according to claim 1, its feature
Being, the preparation method of described functional stuffing is as follows:
(1) poly-second is added after nano-calcium carbonate, deionized water being hybridly prepared into the water slurry that mass fraction is 6-10%
Alkene pyrrolidone dispersant, dispersed with stirring 40-80min under the conditions of 1500-2000r/min, by finely dispersed suspension
PH be adjusted to 6.5-7.0, wherein, polyvinylpyrrolidone addition accounts for divinylbenzene gross mass 0.5-1%；
(2) add after suspension being stablized 8-12min after agitating heating is warming up to 78-82 DEG C under the conditions of 450-750r/min
Enter initiator；
(3) in the suspension of step (2) gained, keep 78-82 DEG C of dropping divinylbenzene, stop after reaction 12-24h
Reaction；
(4) step (3) gained reactant liquor is cooled to room temperature final vacuum suction filtration, filter cake is placed in drying box in 70-90 DEG C
Under the conditions of be dried 18-30h, by dried filter cake pulverize obtain functional stuffing, standby；
Reaction in above-mentioned steps (1) to (4) is at N2Carry out under atmosphere.
A kind of high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant the most according to claim 2, its feature
It is: the initiator in described step (2) is potassium peroxydisulfate.
A kind of high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant the most according to claim 2, its feature
It is: the 0.8-1.0% of the quality that consumption is divinylbenzene of the initiator in described step (2).
A kind of high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant the most according to claim 2, its feature
It is: in described step (3), the rate of addition of divinylbenzene is 1ml/min.
A kind of high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant the most according to claim 1, its feature
Be: described α, alpha, omega-dihydroxy polydimethyl siloxane be dynamic viscosity be the α of 5000-50000cps, alpha, omega-dihydroxy gather
In dimethyl siloxane a kind or the combination of at least 2 kinds.
A kind of high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant the most according to claim 1, its feature
It is: described crosslinking agent is in tetramethoxy-silicane, tetraethoxysilane, tetrapropoxysilane and MTMS
1 kind or the combination of at least 2 kinds.
A kind of high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant the most according to claim 1, its feature
It is: described catalyst is tetrabutyl titanate and/or tetraisopropyl titanate.
A kind of high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant the most according to claim 1, its feature
It is: described plasticizer is a kind in polydimethyl siloxane fluid, MDT silicone oil and white oil or the combination of at least 2 kinds.
10. a kind of high-performance single-component de-alcoholized room temperature vulcanized silicone rubber of preparation is close
The method of sealing, it is characterised in that described method is as follows: by a certain amount of α, alpha, omega-dihydroxy polydimethyl siloxane and one
Quantitative functional stuffing and plasticizer mix in vacuum kneader, and are maintained at 120-130 DEG C, and vacuum is-0.1Mpa
Under conditions of, except lowering the temperature after water 2-3h；After intermediate drops to room temperature, add crosslinking agent, catalyst under vacuum conditions
Mixing；Mix rear discharging airtight preservation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610290797.2A CN105838317B (en) | 2016-04-27 | 2016-04-27 | A kind of high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610290797.2A CN105838317B (en) | 2016-04-27 | 2016-04-27 | A kind of high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105838317A true CN105838317A (en) | 2016-08-10 |
| CN105838317B CN105838317B (en) | 2018-07-10 |
Family
ID=56590834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610290797.2A Active CN105838317B (en) | 2016-04-27 | 2016-04-27 | A kind of high-performance single-component de-alcoholized room temperature vulcanized silicone rubber fluid sealant and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105838317B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110373150A (en) * | 2019-06-21 | 2019-10-25 | 安徽洋洋新材料科技有限公司 | A kind of mould proof silicone sealant that can distribute odor type smell and method of production |
| CN110951444A (en) * | 2019-11-11 | 2020-04-03 | 南通市开泰高分子材料有限公司 | Intranet type silicone sealant for building and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1496394A (en) * | 2001-03-08 | 2004-05-12 | С����������ʽ���� | Automotive adhesive |
| US20050288393A1 (en) * | 2004-06-24 | 2005-12-29 | Lean John T | Thermoplastic elastomer composition |
| EP2070952A1 (en) * | 2007-12-14 | 2009-06-17 | Continental Aktiengesellschaft | Vulcanizable rubber mixture and its use for rubber products |
| CN101812278A (en) * | 2010-05-20 | 2010-08-25 | 上海西怡新材料科技有限公司 | Ultraviolet curable organic silicon-acrylic resin electronic adhesive and application thereof |
| CN104099059A (en) * | 2013-04-03 | 2014-10-15 | 上海华硅化工新材料有限公司 | Silicone sealant for automobile side windscreen and preparation method thereof |
-
2016
- 2016-04-27 CN CN201610290797.2A patent/CN105838317B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1496394A (en) * | 2001-03-08 | 2004-05-12 | С����������ʽ���� | Automotive adhesive |
| US20050288393A1 (en) * | 2004-06-24 | 2005-12-29 | Lean John T | Thermoplastic elastomer composition |
| EP2070952A1 (en) * | 2007-12-14 | 2009-06-17 | Continental Aktiengesellschaft | Vulcanizable rubber mixture and its use for rubber products |
| CN101812278A (en) * | 2010-05-20 | 2010-08-25 | 上海西怡新材料科技有限公司 | Ultraviolet curable organic silicon-acrylic resin electronic adhesive and application thereof |
| CN104099059A (en) * | 2013-04-03 | 2014-10-15 | 上海华硅化工新材料有限公司 | Silicone sealant for automobile side windscreen and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110373150A (en) * | 2019-06-21 | 2019-10-25 | 安徽洋洋新材料科技有限公司 | A kind of mould proof silicone sealant that can distribute odor type smell and method of production |
| CN110951444A (en) * | 2019-11-11 | 2020-04-03 | 南通市开泰高分子材料有限公司 | Intranet type silicone sealant for building and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105838317B (en) | 2018-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106590519B (en) | Condensed type bi-component silicone sealant and preparation method | |
| CN103937442B (en) | High-adhesion single-component takes off oxime type room temperature vulcanized silicone rubber sealing agent and preparation method | |
| CN105950099B (en) | A kind of single-component de-alcoholized room temperature vulcanized silicone rubber and preparation method thereof, application | |
| CN103642452B (en) | Method for preparing silicone sealant | |
| CN104017534B (en) | A kind of transparent organic silicon LED lamp bar joint sealant and preparation method thereof | |
| CN103030976A (en) | Single-component heat-curing liquid silicone rubber and preparation method thereof | |
| CN108410416A (en) | A kind of embedding silica gel and its preparation method and application | |
| CN109628058A (en) | A kind of organic silicon adhesive | |
| CN107880797A (en) | The special wet-heat resisting high intensity structural silicone adhesive of photovoltaic module | |
| CN107201170B (en) | A kind of silicone sealant and preparation method thereof containing microcapsules | |
| CN105255439A (en) | High-elongation two-component silicone structural adhesive and preparation method thereof | |
| CN105838317A (en) | High-performance single-component dealcoholization room temperature vulcanized silicone rubber sealant and preparation method thereof | |
| CN101679750A (en) | Architectural unit possessing rapid deep-section cure silicone rubber component | |
| CN106244091A (en) | A kind of high intensity dealcoholized type double component room temperature vulcanization silicon rubber building sealant and preparation method thereof | |
| CN113185947A (en) | Mixed crosslinking system two-component hollow sealant | |
| CN112724924B (en) | Silicone structural adhesive for hollow glass and preparation method thereof | |
| CN105385408B (en) | Antifatigue, uvioresistant single-component dealcoholization-type silicone structure sealant and preparation method | |
| CN114874744A (en) | Mildew-proof beauty glue for interior decoration and preparation method thereof | |
| CN106190013B (en) | silicone resin type bi-component elastic silicone sealant for hollow glass and preparation method thereof | |
| CN116948587B (en) | Preparation and application of bi-component silane modified polyether sealant | |
| CN113150740A (en) | Ketoxime type silicone sealant with assistant precipitation resistance effect and preparation method thereof | |
| CN110257002B (en) | Two-component silicone sealant for projection lamp | |
| CN103911113B (en) | Thermostable silicone sealant and preparation method thereof | |
| CN103911111B (en) | Silicone sealant and preparation method thereof | |
| CN105368053B (en) | A kind of single-component organic silicon heat-conducting glue and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180620 Address after: 215414 Guangzhou East Road, Taicang new economic and Technological Development Zone, Suzhou, Jiangsu, 99 Applicant after: Bold's seal system (Taicang) Co., Ltd. Address before: 315040 B3 building, R & D Park, Ningbo hi tech Development Zone, Zhejiang 509-512 Applicant before: High and new technology industrial development zone, Ningbo Xia Yuan Science and Technology Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |